Synonyms: antiaircraft, antiaircraft gun, ack-ack, ack-ack gun, flack, flak, pom-pom
Definition: artillery designed to shoot upward at airplanes
Similar words: gun
Definition: a weapon that discharges a missile at high velocity (especially from a metal tube or barrel)
Synonyms: antiaircraft
Definition: designed for defense from a surface position against air attack
Similar words: defensive
Definition: intended or appropriate for defending against or deterring aggression or attack
Usage: defensive weapons; a defensive stance